Preop Deviation PD

Postop 1 week PD

Correction

PD

Correction

%

P value

Unilateral MD ± SD

37.74 ± 4.52

10.74 ± 9.72

27.00

66.82

<0.001

Bilateral MD ± SD

56.05 ± 5.43

12.29 ± 11.88

43.76

79.28

<0.001

Total MD ± SD

49.95 ± 17.35

11.77 ± 11.14

38.18

75.12

<0.001